1385777304 has 96 divisors (see below), whose sum is σ = 3992526720. Its totient is φ = 432718848.

The previous prime is 1385777303. The next prime is 1385777311. The reversal of 1385777304 is 4037775831.

1385777304 is a `hidden beast` number, since 1 + 3 + 8 + 577 + 73 + 0 + 4 = 666.

It is a super-3 number, since 3×1385777304³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1385777304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385777303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 270414 + ... + 275490.

It is an arithmetic number, because the mean of its divisors is an integer number (41588820).

Almost surely, 2^1385777304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1385777304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1996263360).

1385777304 is an abundant number, since it is smaller than the sum of its proper divisors (2606749416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1385777304 is a wasteful number, since it uses less digits than its factorization.

1385777304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5329 (or 5322 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The square root of 1385777304 is about 37226.0299253090. The cubic root of 1385777304 is about 1114.8877614974.

The spelling of 1385777304 in words is "one billion, three hundred eighty-five million, seven hundred seventy-seven thousand, three hundred four".